bac·​te·​roid ˈbak-tə-ˌrȯid How to pronounce bacteroid (audio)
: an irregularly shaped form of a nitrogen-fixing bacterium (such as a rhizobium) found especially in root nodules of legumes

Word History

First Known Use

1878, in the meaning defined above

Time Traveler
The first known use of bacteroid was in 1878

Dictionary Entries Near bacteroid

Cite this Entry

“Bacteroid.” Dictionary, Merriam-Webster, Accessed 24 Jun. 2024.

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